Rectangular panel for construction toy set



FIG. 1 is a perspective view, from the top of the rectangular panel for a construction toy set, showing our new design;

FIG. 2 is a top, plan view; and,

FIG. 3 is a side elevational view, all four sides being substantially identical.

The aperatures shown in dotted lines form no part of the claimed design. 

An ornamental design for a rectangular panel for construction toy set, as shown and described. 